Background
He was born on December 8, 1856 in Baltimore, the son of the physician Christopher Johnston (1822-1891), a professor of surgery at the University of Maryland and the discoverer of Johnston"s organ, and Sarah Lucretia Clay (1835-1879).
He was born on December 8, 1856 in Baltimore, the son of the physician Christopher Johnston (1822-1891), a professor of surgery at the University of Maryland and the discoverer of Johnston"s organ, and Sarah Lucretia Clay (1835-1879).
Johns Hopkins University. University of Virginia.
Johnston studied at the University of Virginia, where he earned three degrees: a Bachelor in 1876, a Bachelor of Arts 1878, and an Master of Arts in 1879. He graduated from the medical department of the University of Maryland in 1880, practiced medicine until 1888 in Baltimore (while concurrently studying various languages), then entered Johns Hopkins to study Assyriology and Semitics, taking the degree of Doctor of Philosophy in 1894. Johnston continued on to become a Professor of Oriental History and Archaeology at Hopkins.
He published Epistolary Literature of the Assyrians and Babylonians (1896) and edited Ancient Empires of the East (1906).
He was also responsible for writing the New International Encyclopedia"s chapter concerning Egyptology.